The Marginalian
The Marginalian

The Beginning of Infinity: David Deutsch Explains the World

A new way to explain explanation itself, or how science and philosophy got their start.

Since time immemorial, mankind’s greatest questions — what is reality, what does it mean to be human, what is time, is there God — have endured as a pervasive frontier of intellectual inquiry through which we try to explain and make sense of the world, the pursuit of these elusive answers having germinated disciplines as diverse as philosophy and physics. But what place does explanation itself have in the universe and our understanding of it? That’s exactly what iconic physicist and quantum computation pioneer David Deutsch explores in The Beginning of Infinity: Explanations That Transform the World — an important and wildly illuminating new book on the nature and evolution of human knowledge. Fluidly switching between evolutionary biology, quantum physics, mathematics, philosophy, ancient history and more, Deutsch offers surprisingly — or, perhaps knowing his work, unsurprisingly — plausible answers to everything from why beauty exists to what is infinity.

Must progress come to an end — either in catastrophe or in some sort of completion — or is it unbounded? The answer is the latter. That unboundedness is the ‘infinity’ referred to in the title of this book. Explaining it, and the conditions under which progress can and cannot happen, entails a journey through virtually every fundamental field of science and philosophy. From each such field we learn that, although progress has no necessary end, it does have a necessary beginning: a cause, or an event with which it starts, or a necessary condition for it to take off and to thrive. Each of these beginnings is ‘the beginning of infinity’ as viewed from the perspective of that field. Many seem, superficially, to be unconnected. But they are all facets of a single attribute of reality, which I call the beginning of infinity.” ~David Deutsch

In 2009, I had the pleasure of seeing Deutsch speak at TEDGlobal, where he delivered what was unequivocally the event’s most mind-bending talk, presenting a new way to explain explanation itself — a teaser for the book as he was in the heat of writing it. Stay on your toes and try to keep up:

Empiricism is inadequate because scientific theories explain the seen in terms of the unseen and the unseen, you have to admit, doesn’t come to us through the senses.” ~ David Deutsch

Perhaps most powerful of all is Deutsch’s remarkable ability to shift convictions. As Peter Forbes writes in The Independent,

Deutsch is the kind of passionate, clear-headed advocate who can change minds. He endorses Stephen Hawking’s view that we would be wise to colonise space because the asteroid that will certainly come one day might be beyond even the capacity of our nuclear weapons. I have never believed in space colonisation, thinking it an idle fantasy. With no atmosphere or ecosystem we would have to live in bubbles. But Deutsch convinces me that we could colonise the moon and, after a while, that this life would seem natural.”

The Beginning of Infinity: Explanations That Transform the World comes as Deutsch’s highly anticipated follow-up, thirteen years later, to his excellent The Fabric of Reality: The Science of Parallel Universes and Its Implications, in which Deutsch outlined the four fundamental strands of existing knowledge.

Bear in mind, this is no light beach book, nor is it an easy read, but it’s an incredibly lucid one, the kind of book that stays with you for your entire lifetime, insights from it finding their way, consciously or unconsciously, into every intellectual conversation you’ll ever have.

Published July 27, 2011




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